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Calyptocarpus vialis (Straggler daisy) | NPIN
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Calyptocarpus vialis (Straggler daisy)
Lytle, Melody

Calyptocarpus vialis

Calyptocarpus vialis Less.

Straggler daisy, Horseherb, Hierba del caballo, Lawnflower

Asteraceae (Aster Family)

Synonym(s): Synedrella vialis, Synedrellopsis grisebachii

USDA Symbol: CAVI2

USDA Native Status: L48 (I), HI (I)

Depending on your point of view, Straggler Daisy or Horseherb is a pest or a welcome, shade-tolerant groundcover that tolerates moderate foot traffic. If you have a shady lawn anywhere within its range, you probably already have it. It gained in popularity during the growth in interest in native plants and is now occasionally available for sale at native plant nurseries (though it is so easy to propagate that you can easily grow it on your own). Thriving in sun or shade, its tiny, yellow daisy flowers add a minute touch of color to shady areas and attract small butterflies like sulfurs and skippers.

Because it is dormant in cold winters, mix with cool-season spring annuals and evergreens for continuous color. In central Texas, Baby Blue-eyes (Nemophila phacelioides), Widows Tears (Commelina spp.), False Dayflower (Tinantia anomala), Violet Ruellia (Ruellia nudiflora), and sedges (Carex spp.) are good companion plants for shady areas.

 

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Retention: Semi-evergreen
Leaf Arrangement: Opposite
Leaf Complexity: Simple
Leaf Shape: Deltoid
Leaf Pubescence: Strigose
Leaf Margin: Serrate
Inflorescence: Axillary
Fruit Type: Achene
Size Notes: 6-12 inches high
Leaf: medium green
Fruit:
Size Class: 0-1 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov
Bloom Notes: Will bloom year-round in frost-free regions.

Distribution

USA: AL , AR , AZ , FL , GA , HI , LA , NM , TX
Native Distribution: Native to eastern Mexico and south to south-central Texas. Non-native elsewhere in Texas and USA.
Native Habitat: Woodlands, fields, meadows, often in disturbed soils

Growing Conditions

Water Use: Low , Medium
Light Requirement: Sun , Part Shade , Shade
Soil Moisture: Dry , Moist
Drought Tolerance: High
Heat Tolerant: yes
Soil Description: Well-drained sand, loam, clay, caliche, calcareous preferred
Conditions Comments: Evergreen in areas with mild or no winter, deciduous in areas with cold winters. Sometimes struggles with heavy fallen tree leaves that dont decompose quickly.

Benefit

Use Ornamental: A good shade groundcover with small, yellow daisy flowers. Also does well in full sun.
Use Wildlife: Attracts small butterflies
Interesting Foliage: yes
Attracts: Butterflies
Nectar Source: yes

Propagation

Propagation Material: Root Division , Seeds
Description: Easily propagated by cuttings or divisions. Though this species may be propagated by seed, it is rarely done because the seeds are difficult to collect in quantity. Seeds are rarely if ever commercially available.
Commercially Avail: yes
Maintenance: Mow if desired to keep even and to clear away dead growth in areas where it goes dormant in the winter. May need supplemental water to look its best in hot, full sun areas during extended drought.

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National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FAC FAC FAC FAC FAC FAC FACU
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Suppliers Directory

According to the inventory provided by Associate Suppliers, this plant is available at the following locations:

Wrights Nursery - Briggs, TX
Far South Wholesale Nursery - Austin, TX

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Fredericksburg Nature Center - Fredericksburg, TX
Texas Discovery Gardens - Dallas, TX
Brackenridge Field Laboratory - Austin, TX
Patsy Glenn Refuge - Wimberley, TX
Native Plant Society of Texas - Fredericksburg, TX
Nueces River Authority - Uvalde, TX
NPSOT - Austin Chapter - Austin, TX
Jacob's Well Natural Area - Wimberley, TX
NPSOT - Williamson County Chapter - Georgetown, TX

Herbarium Specimen(s)

NPSOT 0390 Collected May 17, 1993 in Comal County by Mary Beth White
NPSOT 0338 Collected May 25, 1987 in Bexar County by Harry Cliffe

2 specimen(s) available in the Digital Herbarium

Wildflower Center Seed Bank

LBJWC-MM-793 Collected 2010-11-16 in Hays County by Lady Bird Johnson Wildflower Center

1 collection(s) available in the Wildflower Center Seed Bank

Bibliography

Bibref 318 - Native Texas Plants: Landscaping Region by Region (2002) Wasowski, S. & A. Wasowski

Search More Titles in Bibliography

Additional resources

USDA: Find Calyptocarpus vialis in USDA Plants
FNA: Find Calyptocarpus vialis in the Flora of North America (if available)
Google: Search Google for Calyptocarpus vialis

Metadata

Record Modified: 2009-11-17
Research By: Damon Waitt, GDG

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